It was reported via clinic notes received that the patient's vns generator battery was depleted.
It was questioned "why new seizures.
" it was unclear if this was the report of a new seizure type or an increase in seizures.
Follow up with the company representative revealed that at the most recent clinic visit, the patient's vns was interrogated and found to be at an end of service, or eos, condition and pulse disabled.
The last data in the manufacturer's database was from approximately a year and a half prior to the recent clinic visit.
It was unknown what physician, if any, had been managing the patient's vns as the submitter of the clinic notes only managed the patient's seizures and medications, not the vns.
No additional relevant information has been received to date.

Event Description

The patient was referred for vns replacement surgery.
The patient underwent prophylactic vns generator replacement surgery.
During attempts at product return, it was revealed that the explanting facility, historically, discards explanted products.